IRF MAD Detection

Reading Time: 5 minutes This post is about the IRF MAD detection methods, used with in HPN Comware based switches. ┬áThe purpose of IRF MAD is to prevent the split-brain scenario. If a split-brain occur, an IRF stack is broken, because of an link failure of one or more IRF links, or one or more IRF member switches experience … Read more

New HP 5700 Switch Announced

HP 5700

Reading Time: < 1 minute HP announced the new HP 5700 switch as the new data center access switch. The switch supports IRF and is SDN ready. You can find the announcement here: http://h17007.www1.hp.com/us/en/networking/whats-new.aspx#.U_NThvmvX55 The switch is available in three different models: HP 5700-40XG-2QSFP+ Switch (JG896A) HP 5700-48XG-4XG-2QSFP+ Switch (JG894A) HP 5700-32XGT-8XG-2QSFP+ Switch (JG898A) For further details have a look at the … Read more

Private VLAN in Comware 7

PVLAN Architecture

Reading Time: 2 minutes In Mai, I was on a proof of concept in Grenoble and one of the coolest things was the Private VLAN function in Comware 7. It was really interesting to see how it works and how simple it is to separate hosts from each other.It works with a two-tier approach. There is a primary VLAN, … Read more